This post from David Robinson explains very well the point that statistical tests depend crucially on the assumptions you make before starting. The message is you need to look at your data and think about it a bit before doing a statistical test.
And, it also includes code to run the examples in R, my favourite, open source, statistical environment. Look at the post, learn some R and do better stats!
I’ve been spending a lot of time using open source software recently, and been really impressed by the helpfulness of the open source community and the openness of the software. So, now I’m going to start giving something more substantial back.
This poster was presented at Wessex Society of Ultrasound Regional Anaesthesia annual scientific meeting on Monday. It is a description of our work to improve the pain relief for people with broken hips, but that is not the main purpose for posting it here.
The main reason is so that you can see the finished article here, and then click over to the gist that contains the source code here.
If you want, you can download my gist, and use it to create your own posters. Please be sure to cite appropriate sources, including myself, but mainly the people who made my work possible, such as the people over at
Welcome to my personal blog. This is my first post. Wish me luck in the blogosphere.